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From: jpd00964@uxa.cso.uiuc.edu
Newsgroups: comp.sys.next
Subject: Re: Can a docView belong to multiple Sc
Message-ID: <246300068@uxa.cso.uiuc.edu>
Date: 29 Nov 89 10:40:19 GMT
References: <22124@<1989Nov28>
Lines: 19
Nf-ID: #R:<1989Nov28:22124:uxa.cso.uiuc.edu:246300068:000:836
Nf-From: uxa.cso.uiuc.edu!jpd00964    Nov 28 11:39:00 1989


/* Written  8:21 pm  Nov 27, 1989 by izumi@violet.berkeley.edu in uxa.cso.uiuc.edu:comp.sys.next */
/* ---------- "Can a docView belong to multiple Sc" ---------- */
>It seems that in order to have two separate views into a single
>document, a sigle docView must be added to multiple ScrollViews
>at the same time.  Is this possible?
>
>How about Views in general?  Can a View added to multiple
>superViews at the same time?
>Considering that the instance variable 'superview' will contain
>only one pointer, this probably is not possible.

Actually, this is possible, just not easy.  Actually, it is easy.  Create a
subclass of view which has an array of superviews and an array of subviews.
You could then use this view as the "glue" for your multiple superviews.
A bunch of methods would need to be added to.

Michael Rutman
SoftMed